Answer:
2/3 or 2 over 3
Step-by-step explanation:
4 over three means 4 pieces out of 3. 4 pieces divided by 2 is 2 pieces.
Answer:
when
, 
the slope is 0
Step-by-step explanation:
There isn't much to explain.
Answer:
Step-by-step explanation:
We can simplify (cross multiply) to get 
Then we easily simplify to get 
You could graph this, but it is simpler in this case to do it mathematically.
Since the x and values are the same (implying undefined slope) you can subtract the smaller y value from the larger y value. 2.5-1.2=1.3.